Is T46.4X4 a billable code?
No. T46.4X4 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T46.4X4: Poisoning by angiotensin-converting-enzyme inhibitors, undetermined
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T46.4X4 groups related diagnoses under poisoning by angiotensin-converting-enzyme inhibitors, undetermined. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T46.4X4
- T46.4X4APoisoning by angiotensin-converting-enzyme inhibitors, undetermined, initial encounter
- T46.4X4DPoisoning by angiotensin-converting-enzyme inhibitors, undetermined, subsequent encounter
- T46.4X4SPoisoning by angiotensin-converting-enzyme inhibitors, undetermined, sequela
Other codes in T46.4X Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors
- T46.4X1Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional)header
- T46.4X2Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harmheader
- T46.4X3Poisoning by angiotensin-converting-enzyme inhibitors, assaultheader
- T46.4X5Adverse effect of angiotensin-converting-enzyme inhibitorsheader
- T46.4X6Underdosing of angiotensin-converting-enzyme inhibitorsheader
T46.4X4 questions
What does T46.4X4 mean?
T46.4X4 is the ICD-10-CM code for Poisoning by angiotensin-converting-enzyme inhibitors, undetermined. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.